Here’s what to know about the United States’ first confirmed severe case of H5N1 avian influenza—and how to protect yourself.

Dr. Andrew Pekosz from Johns Hopkins discusses the CDC’s discovery of mutations in the bird flu virus linked to the first severe human case in the U.S. and its risks ...

The agency, in its latest update released Thursday, said the mutations were not found in samples taken from wild birds, suggesting the virus changed over the course of the patient’s infection.

The Centers for Disease Control and Prevention (CDC) has identified mutations in the H5N1 bird flu virus that may increase ...

CDC image The virus has been causing sporadic ... The Louisiana patient was hospitalized in critical condition with severe ...

Initial state and local tests for bird flu were inconclusive, and the county sent a sample to the CDC for testing. In the meantime, the county announced that the child had consumed unpasteurized ...

In a statement to NBC News, the CDC said that while Louisiana is leading the investigation, the agency “will be conducting confirmatory testing.” Bird flu has been infecting dairy cows in the ...

Although human infections in the United States have been rare, according to the CDC, bird flu has infected 60 people since April. Bird flu is a disease caused by a family of flu viruses primarily ...